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volcanic rocks 【礦物】火山巖。

volcanicity

Geological characteristics and its setting for volcanic rocks of early cretaceous yixian formation in western liaoning province , eastern china 遼西早白堊世義縣組火山巖的地質特征及其構造背景

The volcanic rocks belong to the cal - alkaline series and petrochemistry and geochemistry show characteristics of island arc volcanic rocks 酸性熔巖及同質凝灰巖,屬鈣堿性系列,且高鉀富鋁。

The studies on the volcanic rocks from these two areas provide new evidences for understanding the paleo - tethyan evolution 這兩個地區的火山巖研究為了解古特提斯的演化提供了新的證據。

Geochemical constraint on the origin and sources of early - middle cambrain acidic volcanic rocks from baiyin ore deposit 甘肅白銀廠礦田早中寒武世酸性火山巖成因及源區特征的地球化學制約

The mafic dikes , volcanic rocks and alkalic - ultramafic dikes are terrestrial , and were all formed in the extensional settings . 3 三類巖石在侵位結晶過程都不存在明顯的地殼混染。

The uplift of qinghai - xizang plateau and geochemical characteristics of cenozoic volcanic rocks from the center of qiangtang , xizang 羌塘腹地新生代火山巖的地球化學特征與青藏高原隆升

Understanding of volcanic rock characteristics is of guiding importance to the exploration and development in this area 火山巖相關特征的明確對于本區的勘探開發具有重要的指導意義。

He origin of early cretaceous volcanic rocks of ixian formation and crust - mantle interaction n west liaoning province , eastern china 遼西早白堊世義縣組火山巖的起源及殼幔相互作用

Metallogenic models of cu , ag deposits in felsic volcanic rock of permian continental facies of awulale , western tianshan mt 西天山阿吾拉勒二疊紀陸相長英質火山巖銅銀礦礦床模式

Favorable reservoirs may be composed of sandstones , conglomerates basement metamorphic buried hills , and volcanic rocks 砂巖、礫巖、基底變質巖潛山,火山巖均可形成良好儲層。

These volcanic rocks occur as stratified or stratoid beds , and are in conformable contact with the elastic rocks 火山巖呈層狀、似層狀產出,與碎屑巖均呈整合接觸關系。

The sand on red beach gets its reddish color from the red volcanic rocks that make up the cliffs around the beach 紅海灘沙子的紅色來自形成海灘周圍懸崖的紅色火山巖。

Thick volcanic rock layers ( tuff ) occurred along the coast and on offshore islands of eastern hong kong 濃厚的火山巖層(凝灰巖)出現于本港沿岸及東面的離岸島嶼。

Characteristics of the early proterozoic volcanic rocks and its dynamic background of formation in the liaodong area 遼東地區早元古代火山巖特征及其形成的動力學背景

Establish and genesis of oceanic island basic volcanic rock early carboniferous in northern of daxing ' anling 大興安嶺北段早石炭世洋島型玄武巖的確立及成因意義

Petrogenesis of the mesozoic potash rich volcanic rocks in the luzong basin , anhui province : geochemical constraints 安徽廬樅中生代富鉀火山巖成因的地球化學制約

The reservoirs in permian is consist of carbonate rock , tuff , clastic rock and volcanic rock 二疊系儲集層主要由碳酸鹽巖、沉凝灰巖、碎屑巖和火山巖組成。

The mountains consist primarily of volcanic rocks , with some of the lower hills formed of granite 香港的山嶺主要由火山巖組成,部分較矮的山丘為花崗巖。

Sequence stratigraphy with fills of volcanic rocks in xujiaweizi faulted depression of songliao basin , northeast china 徐家圍子斷陷火山巖充填的層序地層